Confidential
2-50
â– Error Code AD00
The required number of pixels of the scanning data is not output, and it does not
finish normally.
â– Error Code AF00
CIS positioning abnormal (Home position cannot be found)
â– Error Code BF00
Document scanning position sensor detects size that its length does not fit duplex
scanning.
< User Check >
- Check whether the document scanned is longer than the specified limit.
- Remove the jammed document.
Step Cause Solution
1 White level data failure Carry out maintenance 55 to obtain white/black
label data.
2 First side or second side CIS
flat cable connection failure
Reconnect the first side or second side CIS flat
cable.
3 First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
4 Main PCB defective Replace the main PCB.
Step Cause Solution
1 Scanner belt out of place Set the scanner belt into place.
2 Scanner motor harness
connection failure
Reconnect the scanner motor harness.
3 First side CIS flat cable
connection failure
Reconnect the first side CIS flat cable.
4 Black reference film stained Clean document cover glass at black reference
film.
5 First side CIS flat cable
defective
Replace the first side CIS flat cable.
6 First side CIS unit defective Replace the first side CIS unit.
7 Scanner motor defective Replace the document scanner unit.
8 Main PCB defective Replace the main PCB.
Step Cause Solution
1 Document scanning position
actuator caught on the
surrounding parts
Set the document scanning position actuator
into place.
2 Document scanning position
sensor defective
Replace the document scanning position
sensor PCB.
3 Document feed roller worn out Replace the ADF unit.
4 Main PCB defective Replace the main PCB.